Don't be penny wise and pound foolish. Good dirt is worth every penny. What is in Fox Farm is what cannabis likes. By design. Spend the $25 for a bag and chances are pretty good you'll be going back for more next time. Good luck!
I would say back off on the watering. They need water when they need water. At 2 weeks of veg it should be closer to every 4 or 5 days. Pick up the pot after watering to get feel for how heavy it is wet. When dry enough to need watering that 7" pot will be pretty darn light. If you're...
Ya, I love Nebula's site. I discovered it a few years ago after I'd been devouring info from a ton of diff sites when I started down my path in 2012. Her's is the best!
Looking good. One thing I'd suggest is that, if you haven't already, clear out everything below your screen. You'll get zero light penetration below your canopy. Also makes it a bit easier for watering in a couple weeks after they've grown some